Hail HistoryHome › Montana › Ravalli County › Hamilton
Hail history for Hamilton, MT
Hail has been reported within 10 miles of Hamilton on 8 days since 2006. The largest stones measured 1.75 in (golf ball) on Jun 4, 2012. Hail is most common here in July and June.
Recent hail near Hamilton
No hail was reported within 10 miles of Hamilton in the last two years.
Hail days near Hamilton by year
When hail season peaks near Hamilton
Of the 8 hail days since 2006, most fell in July (3) and June (2).
Largest hail storms near Hamilton
Jun 4, 2012 · 1.75 in (golf ball) · Hamilton (1 mi from Hamilton)
National Weather Service description (English): A member of the public reported of 1.75 inch hail in Hamilton.May 31, 2018 · 1.5 in (ping pong ball) · Hamilton (6 mi from Hamilton)
Jul 6, 2019 · 1.5 in (ping pong ball) · Hamilton (0 mi from Hamilton)
Jun 26, 2019 · 1.25 in (half dollar) · Grantsdale (8 mi from Hamilton)
Aug 9, 2016 · 1 in (quarter) · Grantsdale (4 mi from Hamilton)
Damaging thunderstorm winds near Hamilton
8 reports of damaging thunderstorm wind within 10 miles of Hamilton since 2006, on 8 days. The strongest measured gust was 72 mph on Aug 23, 2024.
| Date | Strongest gust | Where |
|---|---|---|
| Jul 18, 2026 | 48 mph, measured | Corvallis 1 wind report |
| Sep 10, 2025 | 54 mph, measured | Grantsdale 1 wind report |
| Sep 3, 2024 | 63 mph, measured | Corvallis 1 wind report |
| Aug 23, 2024 | 72 mph, measured | Victor 1 wind report |
| May 28, 2024 | 49 mph, estimated | Charlos Hgts 1 wind report |
| Aug 9, 2013 | 55 mph, estimated | Hamilton 1 wind report |
| Aug 7, 2008 | 39 mph, estimated | Hamilton 1 wind report |
| Jul 6, 2006 | 69 mph, estimated | Hamilton 1 wind report |
Severe thunderstorm wind means gusts of 58 mph or more, or wind that caused damage. Measured gusts come from weather stations; estimated ones from spotters and damage surveys.
Filing a roof or car hail claim?
Insurers ask for the date of loss. The dates on this page are when hail was reported near Hamilton; hail can hit one street and miss the next, so a report is not proof of damage at your address. A licensed roofer or your insurance adjuster can inspect the roof. Many policies set a time limit for filing a claim — check yours.
Nearby cities
Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then). Distances are measured from the center of Hamilton.
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